Perioperative Blood Transfusion Is Dose-Dependently Associated with Cancer Recurrence and Mortality after Head and
Hui-Zen Hee1,2, Kuang-Yi Chang1,2, Chii-Yuan Huang2,3
1Department of Anesthesiology, Taipei Veterans General Hospital, Taipei 112201, Taiwan.
Background:
The association between perioperative blood transfusion and cancer prognosis in patients with head and neck cancer (HNC) receiving surgery remains controversial.
Methods:
We designed a retrospective observational study of patients with HNC undergoing tumor resection surgery from 2014 to 2017 and followed them up until June 2020. An inverse probability of treatment weighting (IPTW) was applied to balance baseline patient characteristics in the exposed and unexposed groups. COX regression was used for the evaluation of tumor recurrence and overall survival.
Results:
A total of 683 patients were included; 192 of them (28.1%) received perioperative packed RBC transfusion. Perioperative blood transfusion was significantly associated with HNC recurrence (IPTW adjusted HR: 1.37, 95% CI: 1.1-1.7, p = 0.006) and all-cause mortality (IPTW adjusted HR: 1.37, 95% CI: 1.07-1.74, p = 0.011). Otherwise, there was an increased association with cancer recurrence in a dose-dependent manner.
Conclusion:
Perioperative transfusion was associated with cancer recurrence and mortality after HNC tumor surgery.
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